Keyboard with knob



FIG. 1 is a front perspective view of the keyboard with knob comprising the present invention;

FIG. 2 is a front elevation view of the keyboard with knob;

FIG. 3 is a rear elevation view of the keyboard with knob;

FIG. 4 is a right side view of the keyboard with knob;

FIG. 5 is a left side view of the keyboard with knob;

FIG. 6 is a top view of the keyboard with knob; and,

FIG. 7 is a bottom view of the keyboard with knob.

Broken lines shown in the drawings illustrate portions of the keyboard with knob that form no part of the claimed design. 

CLAIM I claim the ornamental design for a keyboard with knob, as shown and described. 